🚀(paas) add PaaS deployment scripts, tested on Scalingo

add PaaS deployment scripts, tested on Scalingo

src/backend/meet/settings.py

@@ -13,11 +13,12 @@ https://docs.djangoproject.com/en/3.1/ref/settings/
 # pylint: disable=too-many-lines
 
 import json
-from os import path
+from os import environ, path
 from socket import gethostbyname, gethostname
 
 from django.utils.translation import gettext_lazy as _
 
+import dj_database_url
 import sentry_sdk
 from configurations import Configuration, values
 from lasuite.configuration.values import SecretFileValue
@@ -92,7 +93,9 @@ class Base(Configuration):
 
     # Database
     DATABASES = {
-        "default": {
+        "default": dj_database_url.config()
+        if environ.get("DATABASE_URL")
+        else {
             "ENGINE": values.Value(
                 "django.db.backends.postgresql_psycopg2",
                 environ_name="DB_ENGINE",

src/backend/pyproject.toml

@@ -29,6 +29,7 @@ dependencies = [
     "Brotli==1.2.0",
     "brevo-python==1.2.0",
     "celery[redis]==5.5.3",
+    "dj-database-url==3.1.0",
     "django-configurations==2.5.1",
     "django-cors-headers==4.9.0",
     "django-countries==8.0.0",